SHUTDOWN PROCEDURES
To shut down your humidifier, close the saddle vane on the wa-
ter line. Then turn off the humidistat. When set to the OFF posi-
tion, the humidistat shuts offthe electrical power m the solenoid
valve on the humidifier.
NOTE: If your holne comfort system includes cooling, be sure
the water supply to your humidifier is turn ed off during the cool-
ing season. Close the damper located in the bypass duct if one
is installed. If your humidifier is a Model HUMCCWTR, drain
and clean the water pan as described in cleaning procedures.
PERFORMING ROUTINE MAINTENANCE
With the proper lnaintenance and care, your humidifier will op-
erate econolnically and dependably. Maintenance can be accom-
plished easily by referring to the following directions. However,
before perforlning any lnaintenance, consider these ilnportant
safety precautions:
• DISCONNECT ALL ELECTRICAL POWER TO THE
HUMIDIFIER AND FURNACE BEFORE PERFORMING
ANY SERVICE OR MAINTENANCE TO AVOID PER-
SONAL INJURY.
- CABINET
PAN
Fig. 10 -- Model HUMCCWTR2019-A--
NOTE: THERE MAY BE MORE THAN 1 ELECTRICAL
DISCONNECT SWITCH.
• ALTHOUGH SPECIAL CARE HAS BEEN TAKEN TO
MINIMIZE SHARP EDGES IN THE CONSTRUCTION OF
YOUR HUMIDIFIER, BE EXTREMELY CAREFUL WHEN
HANDLING PARTS OR REACHING INTO THE WNIT TO
AVOID PERSONAL INJURY.
Your hulnidifier has been designed for easy disassembly to sim-
plii_ cleaning and selwicing. Your unit lnUSt be kept clean m
lnaintain its efficiency.
Regular inspection allows you to deterlnine the cleaning sched-
ule best suited to your humidifier's operating conditions. The
frequency for required lnaintenance will depend most upon the
available water supply. In areas where hard water and high lnin-
eral content are prevalent, lnore frequent cleaning and servicing
may be required.
At minimum, the humidifier will need to be cleaned at the be-
ginning of every heating season.
CLEANING PROCEDURES
Models HUMCCLBP, HUMCCSBP, HUMCCLFP, and
HUMCCSFP
1. Turn off all electrical power to the humidifier and fimmce
or fan coil.
2. Turn offthe humidifier's water supply. (See Fig. 4.)
3. Disassemble the humidifier.
• To disasselnble a Model HUMCCSBP humidifier, gently pull
the latch that secures the access panel. Relnove the door and
slide the evaporator pad assembly out of the unit. (See Fig. 8.)
• To disassemble either a Model HUMCCLBP or Model
HUMCCLFP humidifier, first relnove the water supply con-
nection to the solenoid valve. Next, relnove the screw that
holds the distributor cover to the cabinet, and lift offthe cover.
Discom_ect the drain line from the sump and loosen the
thumbscrew(s) holding the sump to the cabinet. Relnove the
sump. Relnove evaporator pad assembly. (See Fig. 6 or 7,
according to the lnodel you own.)
• To disassemble a Model HUMCCSFR the pad assembly can
be relnoved froln the side access door or the front cover. When
relnoving the side door, lift the pad asselnbly up by holding the
tabs and slide the asselnbly out. When relnoving the front cover
on Model HUMCCSFR discomaect the quick comaects m the
solenoid valve, unscrew the 4 screws to the front cover, snap
loose the mp and bottom catches, and lay the front cover aside.
Once the front cover is off; lift the pad assembly up aM twist it
out. The pad assembly consists of 4 parts; the distributor pan,
fralne, sump, and the evaporator pad. Pull the distributor pan
apart from the fralne and the evaporator pad can be relnoved. Do
not force the evaporator pad in or out without relnoving the dis-
tributor pan as this will distort the pad.
4. Clean the humidifier's external COlnponents.
• If your humidifier is a Model HUMCCSBP humidifier, wash
the access door and outlet drain portion of the cabinet. Make
sure the drain is open.
• If your humidifier is a Model HUMCCLBP or HUMCCLFR
wash the distributor cover, sump cover, and cabinet. Be sure the
inlet ports are open and clean. Then, clean the sump with a solu-
tion of detergent and water.
5. Clean the internal colnponents of your humidifier. Wash the
distributor pan with a mild detergent and warm water. Be
sure holes and slots in the pan are clean and unobsmlcted.
Wash the evaporator pad assembly in a detergent solution.
If there are scale deposits on the pad, soak it in ordinary
household vinegar. If the pad is covered by a heavy deposit
of scale, or if the local water supply has high sullhte or cal-
cium content, replace the pad with a new one. Contact your
dealer for replacement part.
6. Reassemble your humidifier.
7. Turn on the electrical power and water supplies. Refer to
the starmp procedures.
Model HUMCCWTR
1. Turn off all electrical power to the humidifier and furnace
or £hn coil.
2. Turn off the humidifier's water supply. (See Fig. 4.)
3. Drain water from the unit. Place a pail underneath the drain
plug located on the bottom of the humidifier cabinet. Lift
the tab on the drain plug and relnove the plug. Allow all
water m drain fiOln the unit. (See Fig. 12.)
4